this is my last question for the whole assigment and im soo glad!!!

(9465 + 45 - 9.9) 8.1 X 10^6

i got 76950.e6

it said it was half right and said check your number of sig figs

4 answers

the 8.1 will limit the answer to two sig figures. The answer cannot be more precise than the least precise number.
oh so i have to round. so id be 7.7e6?
Nope. 77000e6 or 7.7e10
oh i understand thanks a bunch! youve helped me a lot!!